Derivatives - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Derivative [Line Items]
Termination value of derivatives in net liability position	$ 0.0
Interest Rate Lock Commitments Notional Amount Member
Derivative [Line Items]
Notional amount	13.8	$ 35.5
Forward Contract Notional Member
Derivative [Line Items]
Notional amount	17.7	45.0
Not Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	464.9	383.0
Derivative fee income from non-designated hedges	1.1	0.5
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Hedged Loans	469.4	482.7
Cumulative fair value hedge adjustment	22.6	29.7
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	351.0	340.1
Cumulative fair value hedge adjustment	25.7	$ 33.4
Cash Flow Hedging [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amount	200.0
Reclassification of accumulated other comprehensive income during the next 12 months	$ 1.5

Cumulative fair value hedge adjustment included in loans receivable.

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- Definition

Hedged Loans included in Loans Receivable.

+ References

No definition available.

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- Definition

The aggregate fair value of assets needed to immediately settle the derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section 50
-Paragraph 4H
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- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480870/815-30-50-6

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 40
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-Section 50
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-Publisher FASB
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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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